The family members (parents, spouse or children) of those of three kinds described above.
2
当前中国就业市场上的弱势群体主要由三类人员组成:下岗人员、失业人员和进城谋生的农民工。
China's current job market vulnerable groups composed mainly of three types: laid-off workers, unemployed people and migrant workers in cities to make a living.
3
将应用程序翻译成其他语言,而不是开发人员在开发期间使用的语言,这需要对此软件进行三类测试。
Translating the application to languages that are not the language used by developers during development adds the necessity for three types of tests to be done on the software.